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FP Green Vs FP Red

23K views 163 replies 49 participants last post by  Gate 3 M/C's  
#1 ·
What is the difference between these two turbos? What BHP are they capable of flowing with the correct supporting mods? Whats the spool like?
 
#6 ·
More than that buddy with the proper things added;)
 
#7 · (Edited)
Got my FP Red a few weeks ago from the states. my engine is 2-3 weeks away from being built on a 2.3 setup

with my mods i am hoping to get around 550bhp on the red

JMF Intake
JMF Manifold
1000cc Injectors
APS Intercooler
APS Induction
GSC S2 Cams
Hydra Management
Ported Polished Head
2.3 Bottemend
FP Red
ACL Race Bearings
Wisco 85.5 Pistons
Manly I-Beam Rods
Manly Springs and TI Retainers
HKS Hard Pipe Kit
Apexi AVCR Boost Controller
3" Exhaust System
Invida Turbo Elbow

this set up should get me about 550 I hope.

Will have figures soon as possible.

I think the FP Green will be great on 2.0l and the FP Red for 2.3
 
#15 ·
If the green has proven it can flow enough for 490 bhp in the UK (Stage iv full bolt ons) then why not? The red has proved that it can spool the same with a gt30 .63 a/r with better top end. The bad news is I am still waiting for mine. 7 weeks and counting. I got the ceramic coated version with gasket match porting.
 
#26 ·
*most* results posted on the mlr are taken from Dyno Dynamics rollers, also just get atw results, it will be less hassle in the long run ;)
 
#35 ·
BillyT Quote:
Originally Posted by Red Devil
Billy, was the 386.5 ATW on a DD? I know you did a RR on a Dastek aswell, how did it compare?

The 386.5 ATW was the DD R/R And the Dastek R/R 396 ATW

Billy

Mine did 380ATW on Dastek @1.75, with Green on 2lt with Jun Mivec cams on 95 pi55 water, So Similarish.

What was torque Billy? Sorry for all questions
 
#46 ·
I'm going to disagree with you again brother,i did the exact experiment on my car,i used to run the green on an external wastegate holding 1.9 plus boost all the way,a couple of weeks ago i pulled the extenal wastegate custom made kit for the green off the car,ported the ass of the green and installed a well ported std exhaust manifold with an uprated fp internal wastgate,dialled the cams a little differently and corrected/tweaked the maps where it was needed and recalculated the profec some.The boost is 1.9+bar and the boost holds steady and strong up to my redline which is 7800rpm.
 
#45 ·
Just a little bit of more accurancy on the matter,I hope my good friend Dimitris don't mind;),41-42lbs std ix tubby,49lbs green,58lbs red.
 
#53 ·
Now I know this may seem a little bit strange to some people but why are people quoting flow rates in lbs/min from a compressor?

It will flow a fixed volume at a fixed speed so unless you quote what air pressure and temperature you are talking about then the figures are useless as a comparison really.

As an example, say that my turbo actually flows a maximum of 500 cubic feet per minute.

at 20°C and atmospheric pressure, the density of air is around 0.0745 lbs/ft³ therefore the turbo will flow 37.25 lb/min

Now say I decide that rather than measuring the flow at 20°C I measure it at 5°C........ the density of air at 5°C is around 0.0788 lbs/ft³ and so by some miracle ;) all of a sudden my 37.25 lb/min turbo can now flow 39.4 lb/min

So unless you know the actual test conditions, quoting flows in lb/min doesn't really tell you anything about how much of an improvement you may actually get from fitting the turbo.

Andy